condition	mean	min	max
4 h after light	4.384476666666667	4.27422	4.47895
8 h after light	4.39215	4.37568	4.4078599999999994
12 h after light	4.336393333333333	4.2834699999999994	4.36511
4 h after dark	4.361606666666667	4.31961	4.3840699999999995
8 h after dark	4.315823333333333	4.23579	4.39034
12 h after dark	4.31526	4.14283	4.4645